221566140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{3527}}^1$

素因数の和:3891

約数の個数: 72

約数和(自身を含む): 674200800

約数和(自身を除く): 452634660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 349, 698, 1047, 1396, 1745, 2094, 3141, 3490, 3527, 4188, 5235, 6282, 6980, 7054, 10470, 10581, 12564, 14108, 15705, 17635, 20940, 21162, 31410, 31743, 35270, 42324, 52905, 62820, 63486, 70540, 105810, 126972, 158715, 211620, 317430, 634860, 1230923, 2461846, 3692769, 4923692, 6154615, 7385538, 11078307, 12309230, 14771076, 18463845, 22156614, 24618460, 36927690, 44313228, 55391535, 73855380, 110783070, 221566140]

約数ペア:

[(1, 221566140), (2, 110783070), (3, 73855380), (4, 55391535), (5, 44313228), (6, 36927690), (9, 24618460), (10, 22156614), (12, 18463845), (15, 14771076), (18, 12309230), (20, 11078307), (30, 7385538), (36, 6154615), (45, 4923692), (60, 3692769), (90, 2461846), (180, 1230923), (349, 634860), (698, 317430), (1047, 211620), (1396, 158715), (1745, 126972), (2094, 105810), (3141, 70540), (3490, 63486), (3527, 62820), (4188, 52905), (5235, 42324), (6282, 35270), (6980, 31743), (7054, 31410), (10470, 21162), (10581, 20940), (12564, 17635), (14108, 15705)]